[build] Add various missing dependencies

Adds cppgc_headers to v8_internal_headers and fuzzer_support to
lib_wasm_fuzzer_common in BUILD.gn as well as v8_libbase and
v8_libplatform to cctest_headers in test/cctest/BUILD.gn.

Bug: v8:7730
Change-Id: I9759bb0993be779ddfc26668b9e08503ea53bd69
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2727501
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Auto-Submit: Dan Elphick <delphick@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73122}

BUILD.gn

@@ -3262,6 +3262,7 @@ v8_header_set("v8_internal_headers") {
   ]
 
   deps = [
+    ":cppgc_headers",
     ":generate_bytecode_builtins_list",
     ":run_torque",
     ":v8_libbase",
@@ -5688,6 +5689,7 @@ if (v8_enable_webassembly) {
     ]
 
     deps = [
+      ":fuzzer_support",
       ":generate_bytecode_builtins_list",
       ":run_torque",
       ":v8_internal_headers",

test/cctest/BUILD.gn

@@ -57,7 +57,11 @@ v8_header_set("cctest_headers") {
     "../..:internal_config_base",
   ]
 
-  deps = [ "../..:v8_internal_headers" ]
+  deps = [
+    "../..:v8_internal_headers",
+    "../..:v8_libbase",
+    "../..:v8_libplatform",
+  ]
 
   sources = [ "cctest.h" ]
 }